Finding the Fourth Proportional to 1,571,495.50, 2,168,663.79 and 856,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571,495.50 : 2,168,663.79 = 856,103.50 : x
2. Step 2: Convert to fraction form
   1,571,495.50/2,168,663.79 = 856,103.50/x
3. Step 3: Cross multiply
   1,571,495.50x = 2,168,663.79 × 856,103.50
4. Step 4: Simplify right side
   1,571,495.50x = 1,856,600,660,942.27
5. Step 5: Solve for x
   x = 1,856,600,660,942.27/1,571,495.50
6. Step 6: Final answer
   x = 1,181,422.83